CVE-2020-27824: Out-of-bounds Read

May 13, 2021 (updated December 7, 2021)

A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.

References

bugzilla.redhat.com/show_bug.cgi?id=1905723
nvd.nist.gov/vuln/detail/CVE-2020-27824

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